<!--
 * @Description:It is troublesome to implement radio button group in the form. So it is extracted independently as a separate component
-->
<script lang="ts" setup>
  import type { PropType } from 'vue'
  import { computed, ref, unref, watch, watchEffect } from 'vue'
  import { Radio } from 'ant-design-vue'
  import { get, omit } from 'lodash-es'
  import { isFunction } from '/@/utils/is'
  import { useRuleFormItem } from '/@/hooks/component/useFormItem'
  import { useAttrs } from '/@/hooks/core/useAttrs'
  import { propTypes } from '/@/utils/propTypes'

  interface OptionsItem {
    label: string
    value: string | number | boolean
    disabled?: boolean
    [name: string]: any
  }

  defineOptions({ name: 'ApiRadioGroup' })

  const props = defineProps({
    api: {
      type: Function as PropType<(arg?: any | string) => Promise<OptionsItem[]>>,
      default: null,
    },
    params: {
      type: [Object, String] as PropType<any | string>,
      default: () => ({}),
    },
    value: {
      type: [String, Number, Boolean] as PropType<string | number | boolean>,
    },
    isBtn: {
      type: [Boolean] as PropType<boolean>,
      default: false,
    },
    numberToString: propTypes.bool,
    resultField: propTypes.string.def(''),
    labelField: propTypes.string.def('label'),
    valueField: propTypes.string.def('value'),
    immediate: propTypes.bool.def(true),
  })
  const emit = defineEmits(['options-change', 'change'])
  const RadioButton = Radio.Button
  const RadioGroup = Radio.Group

  const options = ref<OptionsItem[]>([])
  const loading = ref(false)
  const isFirstLoad = ref(true)
  const emitData = ref<any[]>([])
  const attrs = useAttrs()
  // Embedded in the form, just use the hook binding to perform form verification
  const [state] = useRuleFormItem(props, 'value', 'change', emitData)

  // Processing options value
  const getOptions = computed(() => {
    const { labelField, valueField, numberToString } = props

    return unref(options).reduce((prev, next: any) => {
      if (next) {
        const value = next[valueField]
        prev.push({
          label: next[labelField],
          value: numberToString ? `${value}` : value,
          ...omit(next, [labelField, valueField]),
        })
      }
      return prev
    }, [] as OptionsItem[])
  })

  watchEffect(() => {
    props.immediate && fetch()
  })

  watch(
    () => props.params,
    () => {
      !unref(isFirstLoad) && fetch()
    },
    { deep: true },
  )

  async function fetch() {
    const api = props.api
    if (!api || !isFunction(api)) return
    options.value = []
    try {
      loading.value = true
      const res = await api(props.params)
      if (Array.isArray(res)) {
        options.value = res
        emitChange()
        return
      }
      if (props.resultField) options.value = get(res, props.resultField) || []

      emitChange()
    } catch (error) {
      console.warn(error)
    } finally {
      loading.value = false
    }
  }

  function emitChange() {
    emit('options-change', unref(getOptions))
  }

  function handleClick(...args) {
    emitData.value = args
  }
</script>

<template>
  <RadioGroup v-bind="attrs" v-model:value="state" button-style="solid">
    <template v-for="item in getOptions" :key="`${item.value}`">
      <RadioButton
        v-if="props.isBtn"
        :value="item.value"
        :disabled="item.disabled"
        @click="handleClick(item)"
      >
        {{ item.label }}
      </RadioButton>
      <Radio v-else :value="item.value" :disabled="item.disabled" @click="handleClick(item)">
        {{ item.label }}
      </Radio>
    </template>
  </RadioGroup>
</template>
